18899160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:321

約数の個数: 128

約数和(自身を含む): 65664000

約数和(自身を除く): 46764840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 149, 151, 168, 210, 280, 298, 302, 420, 447, 453, 596, 604, 745, 755, 840, 894, 906, 1043, 1057, 1192, 1208, 1490, 1510, 1788, 1812, 2086, 2114, 2235, 2265, 2980, 3020, 3129, 3171, 3576, 3624, 4172, 4228, 4470, 4530, 5215, 5285, 5960, 6040, 6258, 6342, 8344, 8456, 8940, 9060, 10430, 10570, 12516, 12684, 15645, 15855, 17880, 18120, 20860, 21140, 22499, 25032, 25368, 31290, 31710, 41720, 42280, 44998, 62580, 63420, 67497, 89996, 112495, 125160, 126840, 134994, 157493, 179992, 224990, 269988, 314986, 337485, 449980, 472479, 539976, 629972, 674970, 787465, 899960, 944958, 1259944, 1349940, 1574930, 1889916, 2362395, 2699880, 3149860, 3779832, 4724790, 6299720, 9449580, 18899160]

約数ペア:

[(1, 18899160), (2, 9449580), (3, 6299720), (4, 4724790), (5, 3779832), (6, 3149860), (7, 2699880), (8, 2362395), (10, 1889916), (12, 1574930), (14, 1349940), (15, 1259944), (20, 944958), (21, 899960), (24, 787465), (28, 674970), (30, 629972), (35, 539976), (40, 472479), (42, 449980), (56, 337485), (60, 314986), (70, 269988), (84, 224990), (105, 179992), (120, 157493), (140, 134994), (149, 126840), (151, 125160), (168, 112495), (210, 89996), (280, 67497), (298, 63420), (302, 62580), (420, 44998), (447, 42280), (453, 41720), (596, 31710), (604, 31290), (745, 25368), (755, 25032), (840, 22499), (894, 21140), (906, 20860), (1043, 18120), (1057, 17880), (1192, 15855), (1208, 15645), (1490, 12684), (1510, 12516), (1788, 10570), (1812, 10430), (2086, 9060), (2114, 8940), (2235, 8456), (2265, 8344), (2980, 6342), (3020, 6258), (3129, 6040), (3171, 5960), (3576, 5285), (3624, 5215), (4172, 4530), (4228, 4470)]